FAULT FINDING
1. Poor Chimney Draught
(a) Obstruction
(a) Clear and Clean
(b) Too Low
(b) Raise Height above Ridge
(c) Too Wide
(c) Fit Flue Liner 15cm
(d) Crack in Wall
(d) Repair Cracks
2. Excessive Chimney
(a) High Chimney
(a) Fit Draught Stabiliser
Draught
3. Down Draught
(a) High Trees
(a) Raise Chimney Height
(b) High Buildings
(b) Raise Chimney Height
(c) Low Chimney
(c) Raise Chimney Height
(d) Negative Pressure Zone
(d) Fit Cowl
4. Cooker Smoking
(a) Insufficient Primary Air
(a) Provide Air Inlet to adjust Burner air
intake
(b) Chimney Choked
(b) Clean Chimney
(c) Side Flueways Choked
(c) Clean Flueways
(d) Down Draught
(d) Raise Chimney Height or Fit Cowl
5. Hot Plate not Heating
(a) Baffles incorrectly set
(a) Set Baffle knobs
(b) Burner Cutting Out
(b) Increase cooker thermostat setting
(c) Utensils not Flat
(c) Use machined based Utensils
6. Oven not Heating
(a) Boiler Baffles incorrectly set
(a) Set Baffle Knobs
(b) Flue ways blocked with soot
(b) Clean Out
7. Radiators not Heating
(a) Baffles incorrectly set
(a) Set Baffle Knobs
(b) Pump not Working
(b) Check and Replace if Defective
(c) Pipe thermostat set too high
(c) Reduce thermostat settings
(d) Air in System
(e) Pipe System faulty
(e) Check pipe sizes and circuit
(f) Excessive no. of radiators
(f) Turn off unneeded radiators
(g) Radiator valves not balanced
(g) Adjust valves to give even flow
8. Domestic Hot Water
(a) Cylinder too Large
(a) Use 135 - 180L Cylinder
Cylinder not Heating
(b) Flow Pipe too Small
(b) Use 25 mm. Bore Pipe
(c) “Check Valve” closed
(c) Open “Check Valve”
(d) Cylinder thermostat set too low
(d) Increase thermostat setting
(e) Pump not working
(e) Check and replace if defective
9. Intermittent Performance
(a) Cooker starved of Primary Air
(a) Provide Air Inlet in Room
(b) Extraction Fan in Room
(b) Provide additional Air Inlet in Room
(c) Dirt in nozzle
(c) Replace Nozzle
(d) Dirty Burner
(d) Service Burner
(e) Worn Nozzle
(e) Replace Nozzle
(f) Dirty Flueways
(f) Clean Flueways
(g) Dirty Oil Filter
(g) Clean or Replace
10. Domestic Hot Water
(a) Leak in indirect Cylinder Coil
(a) Replace Cylinder
Rusty
(b) Incorrect Cylinder Fitted
(b) Check with Installer
It is of the utmost importance to keep the flue pipe and chimney clear of deposits.
Blocked or partially obstructed flueways and chimneys will cause dangerous fumes to be emitted into the room,
these may well be invisible.
23